Deal with ca and CA transparency operators in pdf. add comments to generated classes.

experimental/PdfViewer/SkPdfWebCaptureImageSetDictionary_autogen.h

 #ifndef __DEFINED__SkPdfWebCaptureImageSetDictionary
 #define __DEFINED__SkPdfWebCaptureImageSetDictionary
 
 #include "SkPdfEnums_autogen.h"
 #include "SkPdfArray_autogen.h"
 #include "SkPdfDictionary_autogen.h"
 
+// Additional entries specific to a Web Capture image set
 class SkPdfWebCaptureImageSetDictionary : public SkPdfDictionary {
 public:
   virtual SkPdfObjectType getType() const { return kWebCaptureImageSetDictionary_SkPdfObjectType;}
   virtual SkPdfObjectType getTypeEnd() const { return (SkPdfObjectType)(kWebCaptureImageSetDictionary_SkPdfObjectType + 1);}
 public:
   virtual SkPdfWebCaptureImageSetDictionary* asWebCaptureImageSetDictionary() {return this;}
   virtual const SkPdfWebCaptureImageSetDictionary* asWebCaptureImageSetDictionary() const {return this;}
 
 private:
   virtual SkPdfALinkAnnotationDictionary* asALinkAnnotationDictionary() {return NULL;}
@@ skipping 496 matching lines @@
 
 public:
 private:
 public:
   SkPdfWebCaptureImageSetDictionary(const PdfMemDocument* podofoDoc = NULL, const PdfObject* podofoObj = NULL) : SkPdfDictionary(podofoDoc, podofoObj) {}
 
   virtual bool valid() const {return true;}
 
   SkPdfWebCaptureImageSetDictionary& operator=(const SkPdfWebCaptureImageSetDictionary& from) {this->fPodofoDoc = from.fPodofoDoc; this->fPodofoObj = from.fPodofoObj; return *this;}
 
+/** (Required) The subtype of content set that this dictionary describes; must be SIS ("Spider
+ *  image set") for an image set.
+**/
+  bool has_S() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", NULL));
+  }
+
   std::string S() const {
     std::string ret;
     if (NameFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "S", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return "";
   }
 
+/** (Required) The reference counts (see below) for the image XObjects belonging to the
+ *  image set. For an image set containing a single XObject, the value is simply the integer
+ *  reference count for that XObject. If the image set contains multiple XObjects, the value is
+ *  an array of reference counts parallel to the O array (see Table 9.33 on page 668); that is,
+ *  each element in the R array holds the reference count for the image XObject at the corre-
+ *  sponding position in the O array.
+**/
+  bool has_R() const {
+    return (ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", NULL));
+  }
+
   bool isRAInteger() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Number;
   }
 
   long getRAsInteger() const {
     long ret = 0;
     if (LongFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return 0;
   }
 
   bool isRAArray() const {
     SkPdfObject* ret = NULL;
     if (!ObjectFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", &ret)) return false;
     return ret->podofo()->GetDataType() == ePdfDataType_Array;
   }
 
   SkPdfArray getRAsArray() const {
     SkPdfArray ret = SkPdfArray();
     if (ArrayFromDictionary(fPodofoDoc, fPodofoObj->GetDictionary(), "R", "", &ret)) return ret;
     // TODO(edisonn): warn about missing required field, assert for known good pdfs
     return SkPdfArray();
   }
 
 };
 
 #endif  // __DEFINED__SkPdfWebCaptureImageSetDictionary